Hi,
am an experienced architect, m currently working with an north america based firm,
there too m handling this kind of stuff, i don't have much knowledge of uk authority, but i have good knowledge of outsource work, as i am working more than 4 years on outsourcing work.
i had worked on retails stores, la-prep stores and plenty of other projects,
i can invest 3-4 hours everyday, and much more time during weekends and near deadlines.
i can send you my work, but for that you have to sent me your email-id
thnx have a good day.